1 Scope
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of flameproof low-voltage plugs and sockets used for coal mine.
This standard is applicable to the flameproof low-voltage plugs and sockets for coal mine for connecting the cable and electric equipment (hereinafter referred to as "plugs and sockets").
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, the editions indicated are valid. All standards will be revised. All parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable.
GB 156-2003 Standard Voltages
GB 191-2000 Packaging - Pictorial Marking for Handling of Goods
GB/T 228-2002 Metallic Materials - Tensile Testing at Ambient Temperature
GB/T 762-2002 Standard Current Ratings
GB/T 1410-2006 Methods of Test for Volume Resistivity and Surface Resistivity of Solid Electrical Insulating Materials
GB/T 2423.4-1993 Basic Environmental Testing Procedures for Electric and Electronic Products - Test Db: Damp Heat, Cyclic
GB/T 2900.1-1992 Electrotechnical Terminology - Fundamental Terms
GB/T 2900.18-1992 Electrotechnical Terminology - Low Voltage Apparatus
GB 2900.35-1998 Electrotechnical Terminology - Electrical Apparatus for Explosive Atmospheres
GB 3836.1-2000 Electrical Apparatus for Explosive Gas Atmospheres - Part 1:General Requirements
GB 3836.2-2000 Electrical Apparatus for Explosive Gas Atmospheres - Part 2: Flameproof Enclosure "e"
GB 3836.3-2000 Electrical Apparatus for Explosive Gas Atmospheres - Part 3: Increased Safety
GB 4942.2-1993 Degrees of Protection Provided by Enclosures for Low-voltage Apparatus
GB/T 10111-1988 Methods for Random Sampling by Utilizing Dices of Random Number
GB/T 11020-2005 Flammability of Solid Non-metallic Materials when Exposed to Flame Sources - List of Test Methods
GB/T 14048.1-2000 Low-voltage Switchgear and Controlgear - General Rules
JB/T 4312-1999 Explosion-proof Pin
MT/T 661-1997 General Technical Condition for Electrical Apparatus Used Underground Mine
3 Terms and Definitions
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Product Classification
5 Technical Requirements
6 Test Methods
7 Inspection Rules
8 Marking, Packaging, Transportation and Storage
